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#1
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On board self-built Genset
http://www.homepower.com/files/mark8.pdf
Any opinon on this being used as a genset on a sailboat? An excellent PDF file on building a genset from a 5HP motor and car alternator. Including images and schematics of resistive field controller as well as an electronic field controller version. Most interesting is: "Type and Size of Engine We’ve since tried many different combinations of engines and alternators. Small gas engines between 3 and 8 horsepower work well. We found that the Honda small engines will run more than 5,000 hours without major work, Tecumseh engines about 800 hours, and Briggs & Stratton engines about 600 hours. The particular Honda G40 (170 cc, Å4.5 hp) engine pictured here has run for over 13,000 hours with the same rings, bearings and valves. The Honda also has the advantage of a 100 hour oil change interval, compared with 25 hours for both the Tecumseh and the Briggs & Stratton. If you consider the operating life and operating cost of small engines, then the higher quality engines are much less expensive despite their higher initial cost. " Mic |
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#2
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On board self-built Genset
wouldn't something like this be a lot more practical???
http://cgi.ebay.com/GAS-POWER-PORTAB...QQcmdZViewItem |
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#3
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On board self-built Genset
on deck maybe
below deck never "Mic" wrote in message ... http://www.homepower.com/files/mark8.pdf Any opinon on this being used as a genset on a sailboat? An excellent PDF file on building a genset from a 5HP motor and car alternator. Including images and schematics of resistive field controller as well as an electronic field controller version. Most interesting is: "Type and Size of Engine We've since tried many different combinations of engines and alternators. Small gas engines between 3 and 8 horsepower work well. We found that the Honda small engines will run more than 5,000 hours without major work, Tecumseh engines about 800 hours, and Briggs & Stratton engines about 600 hours. The particular Honda G40 (170 cc, Å4.5 hp) engine pictured here has run for over 13,000 hours with the same rings, bearings and valves. The Honda also has the advantage of a 100 hour oil change interval, compared with 25 hours for both the Tecumseh and the Briggs & Stratton. If you consider the operating life and operating cost of small engines, then the higher quality engines are much less expensive despite their higher initial cost. " Mic |
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#4
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On board self-built Genset
That makes me wonder. What is the smallest and lightest diesel engine
available? There used to be some model airplane diesels but I don't mean that small  -- Roger Long |
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#6
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On board self-built Genset
Those look like remarkable engines, but slow turning, so big and heavy.
This is a small air cooled diesel. http://www.lombardiniusa.com/singtabl.htm "Mic" wrote in message ... On Tue, 01 Nov 2005 11:58:14 GMT, "Roger Long" wrote: That makes me wonder. What is the smallest and lightest diesel engine available? http://www.vegburner.co.uk/dieselengine.html EXCELLENT PAGE^^^^ http://www.vibha.com/diesel.html http://www.lovson.com/air-cooled-diesel-engines.html http://www.lovson.com/lister-type-sl...l-engines.html http://www.lovson.com/peter-type-sh-series-engines.htm http://www.dieselnet.com/news/1997/08yanmar.php http://www.usdieselengines.com/6_kw%...rator_open.htm http://boatdiesel.com/Articles/APage...troduction.cfm ****Out With The Old - Replacing Old Fuel Filtration Technology With New http://boatdiesel.com/Articles/APage...troduction.cfm ***Repowering a 34 foot Californian http://boatdiesel.com/Articles/APage...ion.cfm&Y=2005 Installing Shafts, Logs, Struts and Rudders along w/ your favorite Engine and Transmission http://boatdiesel.com/Articles/APage...ion.cfm&Y=2004 Engine Life vs. Engine Loading http://boatdiesel.com/Articles/APage...ion.cfm&Y=2004 Nothing beats good filtration! There used to be some model airplane diesels but I don't mean that small -- Roger Long |
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#7
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On board self-built Genset
The issues with air cooled diesels on a boat are noise and ventilation.
The water jacket provides enough extra mass and bulk to have a significant noise reduction effect, and diesels need all the noise reduction they can get. In addition, air cooling requires an open engine box further adding to the noise issue. |
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#8
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On board self-built Genset
Impressive research but you missed the real gem:
http://www.launtop.com/ebusiness/en/...5&productid=40 the 5 hp model can be had for about $200 last I checked. The info I have is that this is the factory that makes these engines for Yanmar. A rumor is that they make the gasoline engines for Honda. |
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#9
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On board self-built Genset
My ENTEC West is the smallest I have ever come across. Works very well.
Doug "Roger Long" wrote in message .. . That makes me wonder. What is the smallest and lightest diesel engine available? There used to be some model airplane diesels but I don't mean that small -- Roger Long |
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#10
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On board self-built Genset
That kind of thing might be appropriate as a quick and dirty emergency
homepower solution but never on a boat. I agree with the figures quoted on engine life however. When it comes to small gas engines, Honda OHVs are the best I've seen. Mic, since you seem intent on posting to this cruising newsgroup with prodigious verbocity and authority, I think it would be appropriate if you told us a bit more about your experience, e.g., what kind of boat do you have, where do you cruise, experience level, etc. I may may be wrong but you impress me as a total rookie who is not well enough grounded in boating skills/experience to filter out good information from bad. Enough said? |
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